4Suppliers
18Customers
3Debt Items
20Related Chains

Source-Backed Evidence Depth

Sutro Biopharma, Inc. (STRO) is shown with relationship data already present in ChainSifter's database. Counts below come from stored supply-chain records and filing/source URLs where available; missing source URLs are not filled in or estimated.

26Total relationships
3Distinct source URLs
12High confidence
0.773Average confidence
2026-09-13Latest database update
ChainSifter does not infer unreported suppliers, customers, ownership, acquisitions, debt exposure, revenue dependency, or future supply-chain events on this public page.

Sutro Biopharma, Inc. Suppliers

TickerNameConfidenceEvidence
LEERINK-PARTNERS-LLC LEERINK-PARTNERS-LLC 92% On February 9, 2026, Sutro Biopharma, Inc. entered into an underwriting agreement with Leerink Partners LLC and TD Securities (USA) LLC, as representatives of the several underwriters named therein
TD-SECURITIES-USA-LLC TD-SECURITIES-USA-LLC 92% On February 9, 2026, Sutro Biopharma, Inc. entered into an underwriting agreement with Leerink Partners LLC and TD Securities (USA) LLC, as representatives of the several underwriters named therein
VAXCYTE VAXCYTE 90% In May 2018, we entered into a Supply Agreement with Vaxcyte, wherein Vaxcyte engaged us to supply extracts and custom reagents, as requested by Vaxcyte.
PCVX Vaxcyte, Inc. 72% Reciprocal relationship from PCVX graph: rrently expect or change their requirements regarding the data required to support a marketing application; • the costs of establishing additional manufacturi…

Sutro Biopharma, Inc. Customers

TickerNameConfidenceEvidence
ASTELLAS-PHARMA-INC ASTELLAS-PHARMA-INC 92% The Company recognized revenue as follows: Three Months Ended March 31, 2026 2025 (in thousands) Astellas Pharma Inc. ("Astellas") $ 14,508 $ 16,879
BX Blackstone Inc. 90% Reciprocal relationship from BX graph: Reciprocal relationship from STRO graph: Reciprocal relationship from BX graph: Reciprocal relationship from STRO graph: In June 2023, we entered into a purchas…
BX Blackstone Inc. 90% In June 2023, we entered into a purchase and sale agreement with Blackstone, or the Blackstone Agreement, to sell to Blackstone a revenue interest in our 4% royalty on potential future sales of Vaxcy…
VAXCYTE VAXCYTE 90% In November 2023, or the Exercise Date, Vaxcyte exercised the Option by submitting written notice thereof to us and concurrently paid us $50.0 million in cash as the first of two installment payments…
TASLY TASLY 85% In December 2021, we entered into the Tasly License Agreement with Tasly to grant an exclusive license to develop and commercialize STRO-002 in Greater China.
MYGN Myriad Genetics, Inc. 72% n of up to five years for a patent covering an approved product as compensation for effective patent term lost during product development and the FDA regulatory review process. However, we may not re…
MYGN Myriad Genetics, Inc. 72% Reciprocal relationship from MYGN graph: Reciprocal relationship from STRO graph: n of up to five years for a patent covering an approved product as compensation for effective patent term lost during…
PCVX Vaxcyte, Inc. 72% Reciprocal relationship from PCVX graph: rrently expect or change their requirements regarding the data required to support a marketing application; • the costs of establishing additional manufacturi…
SNYNF Sanofi 72% Reciprocal relationship from SNYNF graph: Reciprocal relationship from STRO graph: Reciprocal relationship from SNYNF graph: Reciprocal relationship from STRO graph: n of up to five years for a paten…
SNYNF Sanofi 72% n of up to five years for a patent covering an approved product as compensation for effective patent term lost during product development and the FDA regulatory review process. However, we may not re…
ALEMANY-PLAZA-LLC ALEMANY-PLAZA-LLC 62% , at a price of approximately $ 51.79 per share, in accordance with the terms set forth in a certain investment agreement by and between the Company and Ipsen USA dated March 29, 2024 (the “Ipsen Inv…
CELLECT-LLC CELLECT-LLC 62% n of up to five years for a patent covering an approved product as compensation for effective patent term lost during product development and the FDA regulatory review process. However, we may not re…
FIVE-PRIME-THERAPEUTICS-INC FIVE-PRIME-THERAPEUTICS-INC 62% (38,484 ) $ (75,968 ) $ 37,484 (49 )% *Percentage not meaningful Revenue We have recognized revenue as follows during the indicated periods: Three Months Ended March 31, 2026 2025 Change Change (%) (…
IPSEN-BIOPHARMACEUTICALS-INC IPSEN-BIOPHARMACEUTICALS-INC 62% ricing is based on an agreed upon cost-plus arrangement. During 2020, upon Vaxcyte’s request and their agreement to reimburse the related costs, the Company entered into agreements with third-party c…
IPSEN-BIOPHARMA-INC IPSEN-BIOPHARMA-INC 62% dit of the financial statements that was communicated or required to be communicated to the audit committee and that: (1) relates to accounts or disclosures that are material to the financial stateme…
LEERINK-PARTNERS-LLC LEERINK-PARTNERS-LLC 62% (38,484 ) $ (75,968 ) $ 37,484 (49 )% *Percentage not meaningful Revenue We have recognized revenue as follows during the indicated periods: Three Months Ended March 31, 2026 2025 Change Change (%) (…
SAN-CARLOS-ASSET-GROUP SAN-CARLOS-ASSET-GROUP 62% rophylaxis of any disease that is not caused by an infectious pathogen, including cancer. In June 2023, Blackstone made an upfront payment of $ 140.0 million to the Company and will also pay up to an…
USA-LLC USA-LLC 62% (38,484 ) $ (75,968 ) $ 37,484 (49 )% *Percentage not meaningful Revenue We have recognized revenue as follows during the indicated periods: Three Months Ended March 31, 2026 2025 Change Change (%) (…

Sutro Biopharma, Inc. Debt Obligations

InstrumentDescriptionConfidenceEvidence
STRO-DEBT-12802 Warrants outstanding: 734000 90% xbrl warrant detail from xbrl 2018-12-31.
STRO-DEBT-12803 Xbrl Convertible 90% xbrl convertible detail from xbrl 2018-12-31.
STRO-DEBT Debt stack $4.1M 90% Market cache reports total debt of $4.1M.

Sutro Biopharma, Inc. Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for Sutro Biopharma, Inc..

Sutro Biopharma, Inc. Ownership

HolderNameConfidenceEvidence
STRO-OWNER-BARCLAYS-PLC BARCLAYS PLC 90% 13F overlay lists BARCLAYS PLC as top holder; 12 tracked holders.

Sutro Biopharma, Inc. Extended Supply Chain Network

TickerNameChain IndexHopsRelationship Types
BNTC Benitec Biopharma Inc. 100.00 2
REGN Regeneron Pharmaceuticals, Inc. 100.00 2
PSNL Personalis, Inc. 100.00 2
ATOS Atossa Therapeutics, Inc. 100.00 2
ANRO Alto Neuroscience, Inc. 100.00 2
DBVTF DBV TECHNOLOGIES 100.00 2
BLRX BioLineRx Ltd. 100.00 2
CYTOF Altamira Therapeutics Ltd. 100.00 2
EDIT Editas Medicine, Inc. 100.00 2
SVA Sinovac Biotech Ltd. 100.00 2
BIOA BioAge Labs, Inc. 100.00 2
CYTK Cytokinetics, Incorporated 100.00 2
CBIO Crescent Biopharma, Inc. 100.00 2
ALXO ALX Oncology Holdings Inc. 100.00 2
BNBX BNB Plus Corp. 100.00 2
CCEP Coca-Cola Europacific Partners PLC 100.00 2
DSGN Design Therapeutics, Inc. 100.00 2
AZN AstraZeneca PLC 100.00 2
ANL Adlai Nortye Ltd. 100.00 2
CALC CalciMedica, Inc. 100.00 2
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STRO
Unlock STRO Supply Chain Data
Verified relationships include:
LEERINK-PARTNERS-LLCLEERINK-PARTNERS-LLCSupplier92%
TD-SECURITIES-USA-LLCTD-SECURITIES-USA-LLCSupplier92%
ASTELLAS-PHARMA-INCASTELLAS-PHARMA-INCCustomer92%
BXBlackstone Inc.Customer90%
+22 more relationships locked
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